21-22高一·湖南·课后作业
1 . 证明:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/001c6e269ef73c0631c51b55b32b099b.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7cfbcec59de139c33dcd517972abaf.png)
您最近一年使用:0次
21-22高一·湖南·课后作业
2 . 确定下列各三角函数值的符号:
(1)
;
(2)
;
(3)
;
(4)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9073e7e4c2cbea6fa822f95641f9a26b.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdb0958a1b6495538e79ddcd63326825.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/785c36e27a66eeabd7e1456a06d45dc2.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31285c33b4100b0cd39696a1907cc19b.png)
您最近一年使用:0次
21-22高一·湖南·课后作业
3 . 正弦函数是奇函数,它的图象关于原点对称,即原点是它的对称中心.
(1)除原点外,它还有其他的对称中心吗?若有,对称中心的坐标是什么?
(2)正弦曲线是轴对称图形吗?如果是,对称轴的方程是什么?
(3)函数
是中心对称图形吗?是轴对称图形吗?若是,对称中心的坐标和对称轴的方程分别是什么?
(1)除原点外,它还有其他的对称中心吗?若有,对称中心的坐标是什么?
(2)正弦曲线是轴对称图形吗?如果是,对称轴的方程是什么?
(3)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0c3e73963e3412156c9b78c8f0b79c.png)
您最近一年使用:0次
21-22高一·湖南·课后作业
解题方法
4 . 下列函数中,哪些是奇函数,哪些是偶函数?
(1)
;
(2)
;
(3)
;
(4)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91a6419721325945caf03e0c172b23b3.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b168eaaae08a99afcd8ba6664a730a4.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03f28dd7db7677e0d34d05263d31c74b.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/802ac9e74e56ad33f963f959137f11a0.png)
您最近一年使用:0次
21-22高一·湖南·课后作业
5 . 已知
,且
为第二象限角,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94dfcd87f522fa6ed0bcbcd20d8900da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fb92809deced98a8bd767bcbc06e261.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5b2f5c4b2f032eb6819ccd663aad8f3.png)
您最近一年使用:0次
21-22高一·湖南·课后作业
6 . 在单位圆中,角
,
的正弦线分别为
,
,若
,求
,
之间的等量关系.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e25d00e8d9c3afaa664c667aa4525dfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9983f618e3bdc104350e7d258f75fdab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2116193d2faf3cc4b5b95c53e80551fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
您最近一年使用:0次
2022-03-08更新
|
117次组卷
|
3卷引用:复习题五2
21-22高一·湖南·课后作业
7 . 求下列各式的值(式中字母都是正数):
(1)
;
(2)
;
(3)
;
(4)
;
(5)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea0618e42a763834f874a4d9976ab332.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54300b27e8d607bda52aba4431aeeada.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd4b1fb9ae61ef4a4554d00c915dbc3a.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/633a1698fecbd5f14b00afc6f217526e.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0f46d35ec13543eeb8dabfcf4981543.png)
您最近一年使用:0次
21-22高一·湖南·课后作业
8 . 计算:
(1)
;
(2)
;
(3)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2b6c04a6bf746ffe15b88f0bf3e901b.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1d79e49c579fe64fe94d2166049a99d.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/079efc8e68a760d8af6f3cfcda1d5494.png)
您最近一年使用:0次
21-22高一·湖南·课后作业
解题方法
9 . 比较下列各组中两个数的大小:
(1)
和
;
(2)
和
;
(3)
和
;
(4)
和
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c9e75b8c5355d09c8ea0825052107ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cc467158656dd24f2abb49b0d7a34d3.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2373df9fb4455d4bed51b9434179a1c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78ce994244452be67b6d1ce97ca82e36.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1a083e1285cdeeb8b4ecc62883f0040.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb90bea717bc3ce835daddc45ee3511b.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fed83e256dc11b8cca693aa12950bb4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77072487c991c2d0af350b7fbb7eaf7e.png)
您最近一年使用:0次
2022-03-08更新
|
525次组卷
|
3卷引用:4.2.2 指数函数的图象与性质
21-22高一·湖南·课后作业
10 . 化简(式中字母都是正数):
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b1197af91ab9b4933d33303bccb57d7.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/081a1516485fb18e2a8961c5c247fb37.png)
您最近一年使用:0次